Support CMPXCHG reg, reg on amd64. (Vince Weaver, vince@csl.cornell.edu).

Fixes #246311.

git-svn-id: svn://svn.valgrind.org/vex/trunk@2048

diff --git a/VEX/priv/guest_amd64_toIR.c b/VEX/priv/guest_amd64_toIR.c
index 902ba8a21944d637e4af8b37642e5425292199d3..bdd56cf79a66e24617f33ebcdb3fea9713f18f69 100644 (file)
--- a/VEX/priv/guest_amd64_toIR.c
+++ b/VEX/priv/guest_amd64_toIR.c
@@ -7725,9 +7725,6 @@ ULong dis_cmpxchg_G_E ( /*OUT*/Bool* ok,
 
    if (epartIsReg(rm)) {
       /* case 1 */
-      *ok = False;
-      return delta0;
-      /* awaiting test case */
       assign( dest, getIRegE(size, pfx, rm) );
       delta0++;
       assign( src, getIRegG(size, pfx, rm) );